CN113150690A - Slow-release type anti-freezing ice fog sealing layer material and preparation method thereof - Google Patents
Slow-release type anti-freezing ice fog sealing layer material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
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Abstract
The invention provides a slow-release type anticoagulation ice fog sealing layer material which is characterized by consisting of a slow-release type anticoagulation ice material, emulsified asphalt, water-based epoxy resin, a curing agent and a penetrating agent, wherein the weight ratio of the components is as follows: 3-10 parts of slow-release anti-freezing material, 70-90 parts of emulsified asphalt, 5-15 parts of water-based epoxy resin, 3-15 parts of curing agent and 4-12 parts of penetrating agent. The modified emulsified asphalt material doped with the slow-release anti-freezing material is sprayed on the old asphalt pavement, so that the micro cracks of the pavement are closed, and the water loss of the pavement structure is avoided; repairing the bonding effect of the asphalt cement and prolonging the service life of the road surface material. Meanwhile, the anti-icing material is added into the fog sealing layer, so that the freezing point can be inhibited, the ice and snow can be actively melted, and the driving safety in winter is improved.
Description
Technical Field
The invention belongs to the field of road engineering and pavement engineering, and particularly relates to a slow-release type anti-freezing ice fog sealing layer material and a preparation method thereof.
Background
According to statistics, more than 70% of roads in China are affected by ice and snow weather in winter, and serious traffic accidents caused by ice and snow on the road surface are more than one hundred every year, so that a great amount of casualties and property loss are caused. Studies have shown that approximately 15% to 30% of traffic accidents occur each year due to ice build-up on winter surfaces. Therefore, research on the road snow and ice melting technology is urgently needed.
At present, the technology of melting ice and snow on road surfaces of various countries mainly adopts a 'passive' method for removing ice and snow, and comprises a mechanical method and a chemical snow-melting agent method. It is reported that about 1000 ten thousand tons of snow-melting agent is used for melting snow and ice on roads every year in china, and the number is also increasing year by year. However, the mechanical method and the chemical snow-melting agent method for removing the ice and the snow can cause damage to a pavement structure and accessory facilities thereof, corrosion of reinforcing steel bars, soil pollution to the water environment and the like. The 'active' deicing method mainly comprises a thermal deicing method, an elastic paving deicing method, an anti-freezing agent adding method and the like. The active ice and snow removing pavement is characterized in that the material composition and the structural design of the traditional pavement are changed, so that the normal running of a vehicle is not influenced when the pavement falls snow, the external action is not needed, and the pavement is not damaged. Compared with the passive ice and snow removal method, the active ice and snow removal method has the advantages that the active ice and snow removal method has the function of melting the ice and the snow, and the melting process is developed from the interface between the road surface and the ice and snow layer, so that the effect of the active ice and snow removal method is better than that of the traditional passive ice and snow removal method. However, the traditional method of adding the anti-icing agent is to add the anti-icing agent into the asphalt mixture to replace coarse and fine aggregates or mineral powder, and the method is only suitable for newly-built pavements.
With the further development of new materials and new technologies, functional fog sealing layers are emerging continuously. Therefore, it is necessary to develop a slow-release anti-freezing ice fog sealing layer as a novel preventive maintenance technology for asphalt pavement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a slow-release type anti-freezing ice fog sealing layer material.
In order to achieve the purpose, the invention provides the following technical scheme: the slow-release type anti-freezing ice fog sealing layer material is composed of a slow-release type anti-freezing ice material, emulsified asphalt, water-based epoxy resin, a curing agent and a penetrating agent, and the weight ratio of each component is as follows: 3-10 parts of slow-release anti-freezing material, 70-90 parts of emulsified asphalt, 5-15 parts of water-based epoxy resin, 3-15 parts of curing agent and 4-12 parts of penetrating agent.
Further, the slow-release type anti-freezing ice fog sealing layer material is composed of a slow-release type anti-freezing ice material, emulsified asphalt, water-based epoxy resin, a curing agent and a penetrating agent, and the weight ratio of each component is as follows: 4-8 parts of slow-release anti-freezing material, 70-85 parts of emulsified asphalt, 5-12 parts of water-based epoxy resin, 3-10 parts of curing agent and 4-9 parts of penetrating agent.
Further, the slow-release type anti-freezing material is composed of a slow-release type inorganic core material and a high polymer coating material, wherein the slow-release type inorganic core material comprises a mixed saturated solution of sodium chloride and calcium chloride, a zeolite molecular sieve and nano SiO2A surfactant and absolute ethyl alcohol; the components are as follows according to mass-volume ratio: 100-150 g: 7-12 g: 0.5-1 g: 3.0-4.5 g: 160-200 ml;
the components of the high molecular polymer coating material comprise methyl acrylate, n-butyl acrylate, acrylic acid and styrene; the mass volume ratio of each component is 15-20 g: 10-20 g: 1-2 g: 8-10 g.
Further, the curing agent is diethylenetriamine, m-phenylenediamine, m-xylylenediamine, diethylamine or trimethylhexamethylene diamine.
Further, the penetrating agent is sodium alkyl sulfonate, secondary sodium alkyl sulfonate, sodium alkyl naphthalene sulfonate, sodium sulfamate or fatty alcohol-polyoxyethylene ether.
The preparation method of the slow-release type anti-freezing ice fog sealing layer material is prepared by adopting the following preparation method:
(1) physically mixing the waterborne epoxy resin and the curing agent according to the proportion to obtain a waterborne epoxy resin modifier;
(2) blending the emulsified asphalt and the waterborne epoxy resin modifier at the temperature of 25-35 ℃, and uniformly stirring at the speed of 200-300 r/min to obtain waterborne epoxy modified emulsified asphalt;
(3) and adding the penetrating agent and the slow-release type anti-freezing ice material into the waterborne epoxy modified emulsified asphalt, and stirring at the speed of 100-150 r/min for 3min at the temperature of 25-30 ℃ to finally obtain the slow-release type anti-freezing ice fog sealing layer material.
Compared with the prior art, the invention has the following beneficial effects:
the modified emulsified asphalt material doped with the slow-release anti-freezing material is sprayed on the old asphalt pavement, so that the micro cracks of the pavement are closed, and the water loss of the pavement structure is avoided; repairing the bonding effect of the asphalt cement and prolonging the service life of the road surface material. Meanwhile, the anti-icing material is added into the fog sealing layer, so that the freezing point can be inhibited, the ice and snow can be actively melted, and the driving safety in winter is improved.
Drawings
FIG. 1 is a photograph showing the ice melting performance test of the slow-release type anticoagulation ice fog sealing material; the picture (a) is a photograph before freezing and the picture (b) is a photograph after freezing
Detailed Description
The process of the present invention will be described in detail with reference to specific examples.
Firstly, preparation of the slow-release type anti-freezing ice fog sealing layer material
Example 1
A slow-release type anti-freezing ice fog sealing layer material is prepared from the following raw materials in parts by weight: the anti-freezing agent comprises 70 parts of emulsified asphalt, 12 parts of water-based epoxy resin, 8 parts of a slow-release anti-freezing material, 10 parts of diethylenetriamine and 4 parts of sodium alkylsulfonate;
the preparation method comprises the following steps:
(1) physically mixing the waterborne epoxy resin and diethylenetriamine according to the proportion to obtain a waterborne epoxy resin modifier;
(2) blending the emulsified asphalt and the waterborne epoxy resin modifier at 25 ℃, and uniformly stirring at the speed of 200r/min to obtain waterborne epoxy modified emulsified asphalt;
(3) and adding the sodium alkyl sulfonate and the slow-release anti-freezing ice material into the waterborne epoxy modified emulsified asphalt, and stirring at the speed of 100r/min for 3min at the temperature of 25 ℃ to finally obtain the slow-release anti-freezing ice fog sealing layer material.
Example 2
A slow-release type anti-freezing ice fog sealing layer material is prepared from the following raw materials in parts by weight: the anti-freezing agent comprises 85 parts of emulsified asphalt, 10 parts of water-based epoxy resin, 6 parts of a slow-release anti-freezing material, 3 parts of m-phenylenediamine and 9 parts of sodium secondary alkyl sulfonate;
the preparation method comprises the following steps:
(1) physically mixing the waterborne epoxy resin and the m-phenylenediamine according to the proportion to obtain a waterborne epoxy resin modifier;
(2) blending the emulsified asphalt and the waterborne epoxy resin modifier at the temperature of 30 ℃, and uniformly stirring at the speed of 250r/min to obtain waterborne epoxy modified emulsified asphalt;
(3) and adding the secondary alkyl sodium sulfonate and the slow-release anti-freezing ice material into the waterborne epoxy modified emulsified asphalt, and stirring at the speed of 150r/min for 3min at the temperature of 28 ℃ to finally obtain the slow-release anti-freezing ice fog sealing layer material.
Example 3
A slow-release type anti-freezing ice fog sealing layer material is prepared from the following raw materials in parts by weight: the modified asphalt comprises 78 parts of emulsified asphalt, 15 parts of waterborne epoxy resin, 4 parts of slow-release anti-freezing material, 5 parts of m-xylylenediamine and 7 parts of sodium alkyl naphthalene sulfonate;
the preparation method comprises the following steps:
(1) physically mixing the waterborne epoxy resin and m-xylylenediamine according to the proportion to obtain a waterborne epoxy resin modifier;
(2) blending the emulsified asphalt and the waterborne epoxy resin modifier at the temperature of 35 ℃, and uniformly stirring at the speed of 300r/min to obtain waterborne epoxy modified emulsified asphalt;
(3) and adding the sodium alkyl naphthalene sulfonate and the slow-release anti-freezing ice material into the waterborne epoxy modified emulsified asphalt, and stirring at the speed of 120r/min for 3min at the temperature of 26 ℃ to finally obtain the slow-release anti-freezing ice fog sealing layer material.
Example 4
A slow-release type anti-freezing ice fog sealing layer material is prepared from the following raw materials in parts by weight: comprises 7390 parts of emulsified asphalt, 8 parts of waterborne epoxy resin, 7 parts of slow-release anti-freezing material, 8 parts of diethylamine and 6 parts of sodium sulfamate;
the preparation method comprises the following steps:
(1) physically mixing the waterborne epoxy resin and diethylamine according to the proportion to obtain a waterborne epoxy resin modifier;
(2) blending the emulsified asphalt and the waterborne epoxy resin modifier at 25 ℃, and uniformly stirring at the speed of 220r/min to obtain waterborne epoxy modified emulsified asphalt;
(3) and adding the sodium sulfamate and the slow-release anti-freezing ice material into the waterborne epoxy modified emulsified asphalt, and stirring at the speed of 130r/min for 3min at the temperature of 30 ℃ to finally obtain the slow-release anti-freezing ice fog sealing layer material.
Example 5
A slow-release type anti-freezing ice fog sealing layer material is prepared from the following raw materials in parts by weight: the modified asphalt comprises 80 parts of emulsified asphalt, 11 parts of waterborne epoxy resin, 5 parts of a slow-release anti-freezing material, 15 parts of trimethyl hexamethylene diamine and 12 parts of fatty alcohol-polyoxyethylene ether;
the preparation method comprises the following steps:
(1) physically mixing the waterborne epoxy resin and trimethyl hexamethylene diamine according to the proportion to obtain a waterborne epoxy resin modifier;
(2) blending the emulsified asphalt and the waterborne epoxy resin modifier at the temperature of 30 ℃, and uniformly stirring at the speed of 260r/min to obtain waterborne epoxy modified emulsified asphalt;
(3) and adding the fatty alcohol-polyoxyethylene ether and the slow-release anti-freezing ice material into the aqueous epoxy modified emulsified asphalt, and stirring at the speed of 140r/min for 3min at the temperature of 25 ℃ to finally obtain the slow-release anti-freezing ice fog sealing layer material.
In examples 1 to 5, the sustained-release anti-freezing material comprises a sustained-release inorganic core material and a polymer coating material, wherein the components of the sustained-release inorganic core material comprise a mixed saturated solution of sodium chloride and calcium chloride, a zeolite molecular sieve and nano SiO2Surfactant and absolute ethyl alcohol; the components are as follows according to mass-volume ratio: 100-150 g: 7-12 g: 0.5-1 g: 3.0-4.5 g: 160-200 ml.
The components of the high molecular polymer coating material consist of methyl acrylate, n-butyl acrylate, acrylic acid and styrene; the mass volume ratio of each component is 15-20 g: 10-20 g: 1-2 g: 8-10 g.
The slow-release type anti-freezing material is obtained by adopting the following preparation method:
(1) preparing 100-150 g of saturated solution A of sodium chloride and calcium chloride;
(2) zeolite molecular sieve and nano SiO2Stirring the surfactant and absolute ethyl alcohol at 60 ℃ to form a solution B;
(3) pouring the chloride saturated solution A into the solution B for multiple times, stirring for a certain time, taking out and crushing to obtain a slow-release inorganic core material;
(4) preparing a prepolymer monomer solution C from the methyl acrylate, the n-butyl acrylate, the acrylic acid and the styrene;
(5) uniformly mixing the slow-release inorganic salt core material and an isopropanol solution in a ratio of 1:1.2 to prepare a solution D;
(6) and pouring the prepolymer monomer solution C into a constant-pressure funnel, wherein the mass ratio of the prepolymer monomer solution C to the slow-release inorganic core material is 1:3, stirring for a certain time, and adding water to stop polymerization.
Second, performance test
2.1) test piece icing test under single freeze thawing rolling
The slow-release type anti-freezing ice fog sealing layer mainly aims to reduce the freezing point of a road surface aqueous solution to play a role in snow melting and deicing, under the condition of low temperature, the slow-release type anti-freezing ice fog sealing layer is subjected to the effect of wheel load, a polymer shell is crushed, an inorganic salt core material wrapped by the slow-release type anti-freezing ice fog sealing layer is released, the steam pressure of water can be reduced after the slow-release type anti-freezing ice fog sealing layer is dissolved in water, so that the freezing point is reduced, when the freezing point is lower than the environmental temperature, snow is converted into a liquid phase from a solid phase, the surface of the fog sealing layer exists in the form of the saline solution, and the ice and the snow can be kept for a long time without freezing under the state. Therefore, a test piece freezing test under single freeze thawing rolling is adopted to test the freezing point reducing effect of the slow-release type anti-freezing ice fog sealing layer after single freeze thawing rolling:
(1) and forming an AC-13 type track plate test piece, and sealing the periphery and the ground by using tin foil paper for later use.
(2) Preparing slow-release type anti-freezing ice fog seal emulsion according to a determined formula, taking one half of a track plate as an experimental group, and brushing 0.75kg/m on the surface of the track plate2And the other half of the emulsion is not treated and is used as a blank group, and then the blank group is stood for 72 hours at room temperature until the slow-release type anticoagulation ice fog sealing layer emulsion is completely solidified.
(3) Carrying out single freeze thawing and rolling on the slow-release type anti-freezing ice fog seal test piece: spraying 50g of purified water on the surface of the test piece, and putting the test piece into a constant-temperature freezer at the temperature of-15 ℃ for 12 hours; taking out the test piece, and rolling for 3 hours by using a track testing machine under the low-temperature condition to enable two rolled wheel tracks to be respectively in a test group and a blank group; and (5) keeping the temperature in a constant temperature box at 60 ℃ for drying for 12h to fully dry the moisture inside and outside the test piece, and taking out and standing for 2 h.
(4) And enclosing a square area of approximately 5cm multiplied by 5cm at the wheel tracks and the non-wheel tracks of the two groups by sealing wax, pouring 20g of purified water into the square area after the wax is solidified, placing the test piece in a freezer temperature-changing area, and standing and observing. The reduced freezing point of the slow-release type anticoagulation ice fog sealing layer material is tested by cooling to 0.5 ℃ every other hour, and the test result is shown in table 4.7.
Compared with the ice melting effect of the material without the slow-release anti-freezing material (blank group), the ice melting effect in winter can be achieved by adding a proper amount of the slow-release anti-freezing material (experimental group).
TABLE 1 test piece icing situation under single freeze-thaw rolling
From the table, the slow-release type anti-freezing ice fog sealing layer material prepared by the invention can effectively release salt to reduce the freezing point of a pavement water solution, and by comparing the icing phenomenon at non-wheel tracks and wheel tracks, the polymer shell of the slow-release type anti-freezing ice fog sealing layer can be broken to release the slow-release type anti-freezing inorganic salt only when the low-temperature and wheel load rolling conditions are met. The test piece is not frozen at the temperature of-3 ℃ and is partially frozen at the temperature of-4 ℃, which shows that the freezing point range of the slow-release type anti-freezing ice fog sealing layer material is between-3 ℃ and-4 ℃, so that the freezing point of the slow-release type anti-freezing ice fog sealing layer material after single freeze thawing and rolling is-3.8 ℃.
2.2) Ice melting amount test
The prepared slow-release type anti-freezing ice fog sealing layer material is uniformly coated inside a culture dish with the diameter of 9cm in a brushing mode, the mass of the slow-release type anti-freezing ice fog sealing layer material is 2g, after the slow-release type anti-freezing ice fog sealing layer material is placed for 24h in a ventilating mode at normal temperature, 25g of ultrapure water is added, the slow-release type anti-freezing ice fog sealing layer material is placed in a refrigerator with the temperature of-5 ℃ for heat preservation and freezing for 24h, the slow-release type anti-freezing ice fog sealing layer material is taken out and placed in the culture dish, the ice melting amount after 40min is recorded, and the specific results are shown in table 2 as shown in figure 1 (wherein a is a picture before freezing and a picture (b) is a picture after freezing).
TABLE 2 cumulative ice melting amount for each sample
As can be seen from table 2, the blank control group and the experiment group containing the sustained-release anticoagulation ice material showed little difference in the amount of ice melt increase over time. From the blank control group, it is shown that the test conditions are reasonably set and the temperature control is proper. The curve of the change of the ice melting amount of the MFL snow-melting deicing agent material along with time shows that the MFL material has stable snow-melting and deicing effects. After the time reaches 45min, the slow-release type anti-freezing ice fog sealing layer material prepared by the invention has more ice melting amount and more obvious ice melting effect, and mainly because the prepared slow-release type inorganic salt core material is wrapped by the high molecular polymer shell at the beginning, the contact between the anti-freezing chlorine salt in the material and the external ice layer is prevented, so that the ice melting is inhibited, and the non-wrapped slow-release type inorganic salt core material plays a role at the moment. When the temperature is continuously reduced, the high molecular polymer shell is broken under the action of impact force, and the anti-coagulation ice chloride salt wrapped inside starts to act. In the whole test stage, the slow-release type anticoagulation ice fog sealing layer material prepared by the invention has larger ice melting amount, mainly because the slow-release type anticoagulation ice fog sealing layer material prepared by the invention has higher chloride ion content.
The ice melting performance of the direct ice melting of the snow melting agent can be analyzed by integrating the ice melting curve of the whole time period: the slow-release type anticoagulation ice fog sealing layer material prepared by the invention is more than an MFL fog sealing layer material.
2.3) determination of the drawing force
An XHTJ-10 type bonding strength detector is adopted, and the detector consists of a drawing die and a drawing machine. The specific experimental steps are as follows: taking a formed AC-13 type track plate test piece as a drawing test base, and enabling the prepared slow-release type anti-freezing ice fog seal layer material to be 0.25kg/m2The spreading amount is uniformly coated on a drawing die, the drawing die is placed on a track plate, the drawing die is kept stand for a week at the normal temperature (25 ℃), after the water is completely volatilized to form strength, a handle of a drawing machine is slowly rotated at the uniform speed, the measured drawing force is recorded, and the specific result is shown in table 3.
TABLE 3 penetration depth (cm) of each set of samples
As can be seen from table 3, the penetration depth of each experimental group is compared with that of the experimental groups containing MFL fog sealing material and home-made slow-release type anti-freezing ice fog sealing material with increasing time, and the difference between the experimental groups is not large. From the control group of fog seal material containing MFL, it was shown that the test conditions were reasonably set. The self-made slow-release type anti-freezing ice fog sealing layer material has stable and larger penetration depth in the whole test stage, mainly because the slow-release type anti-freezing ice material in the prepared slow-release type anti-freezing ice fog sealing layer material has better compatibility with emulsified asphalt.
The ice melting curve in the whole time period is synthesized, so that the permeation condition of the fog sealing layer which can be indirectly influenced by the anti-icing agent can be analyzed: the slow-release type anticoagulation ice fog sealing layer material prepared by the invention is more than an MFL fog sealing layer material.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The slow-release type anti-freezing ice fog sealing layer material is characterized by comprising the following components in parts by weight: 3-10 parts of slow-release anti-freezing material, 70-90 parts of emulsified asphalt, 5-15 parts of water-based epoxy resin, 3-15 parts of curing agent and 4-12 parts of penetrating agent.
2. The slow-release type anticoagulation ice fog sealing layer material according to claim 1, which is characterized by comprising the following components in parts by weight: 4-8 parts of slow-release anti-freezing material, 70-85 parts of emulsified asphalt, 5-12 parts of water-based epoxy resin, 3-10 parts of curing agent and 4-9 parts of penetrating agent.
3. The slow-release anticoagulant ice fog seal material according to claim 1, wherein the slow-release anticoagulant ice material is composed of a slow-release inorganic core material and a high molecular polymer coating material, and the slow-release inorganic core material comprises a mixed saturated solution of sodium chloride and calcium chloride, a zeolite molecular sieve and nano SiO2A surfactant and absolute ethyl alcohol; the components are as follows according to mass-volume ratio: 100-150 g: 7-12 g: 0.5-1 g: 3.0-4.5 g: 160-200 ml;
the components of the high molecular polymer coating material comprise methyl acrylate, n-butyl acrylate, acrylic acid and styrene; the mass volume ratio of each component is 15-20 g: 10-20 g: 1-2 g: 8-10 g.
4. The slow-release anticoagulant ice fog sealing material of claim 1 wherein the curing agent is diethylenetriamine, m-phenylenediamine, m-xylylenediamine, diethylamine or trimethylhexanediamine.
5. The slow-release anticoagulant ice fog seal material according to claim 1 wherein the osmotic agent is sodium alkyl sulfonate, secondary alkyl sodium sulfonate, alkyl naphthalene sodium sulfonate, sodium sulfamate or fatty alcohol-polyoxyethylene ether.
6. A method for preparing the slow-release anticoagulant ice fog sealing material as claimed in any one of claims 1 to 5, comprising the following steps:
(1) physically mixing the waterborne epoxy resin and the curing agent according to the proportion to obtain a waterborne epoxy resin modifier;
(2) blending the emulsified asphalt and the waterborne epoxy resin modifier at the temperature of 25-35 ℃, and uniformly stirring at the speed of 200-300 r/min to obtain waterborne epoxy modified emulsified asphalt;
(3) and adding the penetrating agent and the slow-release type anti-freezing ice material into the waterborne epoxy modified emulsified asphalt, and stirring at the speed of 100-150 r/min for 3min at the temperature of 25-30 ℃ to finally obtain the slow-release type anti-freezing ice fog sealing layer material.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149788A (en) * | 2021-12-29 | 2022-03-08 | 南京兴佑交通科技有限公司 | Slow-release ice and snow melting agent, preparation method thereof and thin-layer cover material containing slow-release ice and snow melting agent |
| CN114773918A (en) * | 2022-04-10 | 2022-07-22 | 交科院公路工程科技(北京)有限公司 | Colored anti-freezing coating |
| CN114940856A (en) * | 2022-07-04 | 2022-08-26 | 黑龙江路宝新材料科技有限公司 | Low-freezing-point fog sealing layer material for fine surface treatment process, use method and production process |
| CN116376517A (en) * | 2023-02-17 | 2023-07-04 | 重庆交通大学 | Sustained-release anti-icing material and preparation method thereof |
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| CN114773918B (en) * | 2022-04-10 | 2022-12-09 | 交科院公路工程科技(北京)有限公司 | Colored anti-freezing coating |
| CN114940856A (en) * | 2022-07-04 | 2022-08-26 | 黑龙江路宝新材料科技有限公司 | Low-freezing-point fog sealing layer material for fine surface treatment process, use method and production process |
| CN116376517A (en) * | 2023-02-17 | 2023-07-04 | 重庆交通大学 | Sustained-release anti-icing material and preparation method thereof |
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